package com.comdo.newup_loan.util;

import android.content.Context;
import android.util.DisplayMetrics;

/**
 * 屏幕像素转换工具类
 */
public class DisplayUtil {

    public static int px2dp(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }


    public static int dp2px(Context context, float dipValue) {

        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dipValue * scale + 0.5f);
    }


    public static int px2sp(Context context, float pxValue) {

        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (pxValue / fontScale + 0.5f);
    }


    public static int sp2px(Context context, float spValue) {

        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (spValue * fontScale + 0.5f);
    }


    public static int getScreenWidth(Context context) {

        DisplayMetrics dm = context.getResources().getDisplayMetrics();
        return dm.widthPixels;
    }


    public static int getScreenHeight(Context context) {

        DisplayMetrics dm = context.getResources().getDisplayMetrics();
        return dm.heightPixels;
    }


    public static float getDisplayDensity(Context context) {

        if (context == null) {
            return -1;
        }
        return context.getResources().getDisplayMetrics().density;
    }
}
